.setdefault()
The .setdefault()
method will return the value of a dictionary entry for a specified key. If the specified key does not exist in the dictionary, it will create an entry for it with the specified value.
Syntax
dictionary.setdefault(key, value)
Where key
is the key of the value to return. If key
does not exist in dictionary
, it will be created. value
is an optional parameter specifying the value for key
if a new entry is created, it has no effect otherwise. If value
is not specified, the value None
will be used.
Codebyte Example
The following example creates a dictionary, then uses .setdefault()
to return values from it: